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-rw-r--r--libc/string/strnlen.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/libc/string/strnlen.c b/libc/string/strnlen.c
index a480e29d1..6732cc532 100644
--- a/libc/string/strnlen.c
+++ b/libc/string/strnlen.c
@@ -1,14 +1,37 @@
/*
+ * Copyright (C) 2002 Manuel Novoa III
* Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
-#define L_strnlen
-#define Wstrnlen __strnlen
+#include "_string.h"
-#include "wstring.c"
+#ifdef WANT_WIDE
+# define __Wstrnlen __wcsnlen
+# define Wstrnlen wcsnlen
+#else
+# define __Wstrnlen __strnlen
+# define Wstrnlen strnlen
+#endif
-strong_alias(__strnlen, strnlen)
+size_t attribute_hidden __Wstrnlen(const Wchar *s, size_t max)
+{
+ register const Wchar *p = s;
+#ifdef __BCC__
+ /* bcc can optimize the counter if it thinks it is a pointer... */
+ register const char *maxp = (const char *) max;
+#else
+# define maxp max
+#endif
-#undef L_strnlen
+ while (maxp && *p) {
+ ++p;
+ --maxp;
+ }
+
+ return p - s;
+}
+#undef maxp
+
+strong_alias(__Wstrnlen,Wstrnlen)